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Finding the Fourth Proportional to 63,636.55, 87,819.52 and 34,957.42

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Solution

The fourth proportional to 63,636.55, 87,819.52 and 34,957.42 is: 48,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,636.55 : 87,819.52 = 34,957.42 : x
  2. Step 2: Convert to fraction form
    63,636.55/87,819.52 = 34,957.42/x
  3. Step 3: Cross multiply
    63,636.55x = 87,819.52 × 34,957.42
  4. Step 4: Simplify right side
    63,636.55x = 3,069,943,405.74
  5. Step 5: Solve for x
    x = 3,069,943,405.74/63,636.55
  6. Step 6: Final answer
    x = 48,241.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.